﻿// 注释
#include <iostream>
using namespace std;

int main()
{
	int a = 2;
	int b = 3;
	a = 9;
	int l[3]={3,4,5};
	printf("a=%d,b=%d\n",a,b);
	printf("%d\n",sizeof(l));
	cout<<"a="<<a<<endl; 
	cout<<b<<":b"<<endl;
	return 0;
}

